Cross-current and Tide rip

Tide rip and cross-current are semantically related. In some cases you can use "Tide rip" instead a noun phrase "Cross-current".

Tide rip noun - A stretch of turbulent water in a river or the sea caused by one current flowing into or across another current.

Cross-current and tide rip are semantically related. Sometimes you can replace phrase "Cross-current" with "Tide rip", this phrases are similar.